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emgr - Empirical Gramian Framework

by

Christian (view profile)

 

04 Feb 2013 (Updated )

A framework for computating empirical gramians. Compatible with Octave and Matlab.

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Description

The emgr framework enables the computations of seven types of empirical gramians. For state reduction: controllability gramian, observability gramian, cross gramian and linear cross gramian. For parameter reduction: sensitivitiy gramian and identifiability gramian. For combined state and parameter reduction: the joint gramian. Gramian-based model order reduction of linear and nonlinear control systems. For more info, documentation and demos see http://gramian.de

Required Products MATLAB
MATLAB release MATLAB 7.12 (R2011a)
MATLAB Search Path
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Updates
14 Feb 2013 1.1

.

25 Feb 2013 1.2

some updates

26 Feb 2013 1.3

minor update

27 Feb 2013 1.4

small update

01 Mar 2013 1.5

solver update

11 Apr 2013 1.6

doc update

18 Apr 2013 1.7

mini update

21 May 2013 1.8

minor maintenance

17 Jun 2013 1.9

minor update

19 Jun 2013 1.10

performance tweaks

24 Jun 2013 1.11

minor changes

26 Jun 2013 1.12

leapfrog solver

08 Jul 2013 1.13

input fix

15 Jul 2013 1.14

clean up

23 Jul 2013 1.15

minor fixes

02 Aug 2013 1.16

speed up

07 Aug 2013 1.17

small update

12 Aug 2013 1.18

more updates

19 Aug 2013 1.19

mini update

09 Sep 2013 1.20

more vectorization

30 Sep 2013 1.21

speed up

14 Oct 2013 1.22

minor optimization

21 Oct 2013 1.23

substantial acceleration

24 Oct 2013 1.24

code clean up

07 Nov 2013 1.25

mini update

20 Nov 2013 1.26

minor fixes

17 Dec 2013 1.27

new version

13 Jan 2014 1.28

more updates

04 Feb 2014 1.29

input upgrade

13 Feb 2014 1.30

midpoint + robust

18 Feb 2014 1.31

incremental update

21 Feb 2014 1.32

some clean up

06 Mar 2014 1.33

some fixes

07 Mar 2014 1.34

more fixes

25 Mar 2014 1.35

new version

02 Apr 2014 1.36

compatibility

04 Apr 2014 1.37

maintenance

11 Apr 2014 1.38

more maintenance

21 May 2014 1.39

some fixes and a new solver

28 May 2014 1.40

minor update

03 Jun 2014 1.41

maintenance update

18 Jul 2014 1.42

more maintenance

12 Sep 2014 1.43

major refactoring

21 Jan 2015 1.44

major update

02 Mar 2015 1.45

acceleration + bugfixes

05 May 2015 1.46

refactoring + bugfixes

05 May 2015 1.47

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